A total of thirty six chronic stroke patients will be randomly divided into two treatment groups (1) FNS-IM plus BWS; (2) BWS alone. Outcome measures for hypothesis testing will be threefold : 1) Gait normality (kinematics of nine gait components); 2) Safety (number of falls); 3) Functionality (gait speed, walking endurance, and CHART, a handicap measure of mobility and activity level). Data will be collected every four weeks during the three months of treatment. Maintenance of gains will be monitored at two additional data collections at six months and one year following the end of the treatment period. Results of this study have the potential to provide the following clinically applicable information: